Ephemera (xmtp)

Ephemera builds XMTP, the largest & most secure decentralized messaging network. XMTP provides enterprise-grade secure messaging powered by decentralization, enabling developers to build group chats, DMs, and notifications using protocols like Messaging Layer Security (MLS). We're looking for cryptographically-minded, privacy-conscious engineers to join us. The platform supports flexible web3 identities and network-wide spam protection, ensuring secure and user-controlled communication across applications. XMTP is open source and trusted by leading apps and wallets in the web3 space.